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经营范围
发明名称
OPTICAL WAVELENGTH CONVERTING DEVICE
摘要
申请公布号
JPH02293826(A)
申请公布日期
1990.12.05
申请号
JP19890115556
申请日期
1989.05.09
申请人
NIPPON TELEGR & TELEPH CORP <NTT>
发明人
INOUE YASUSHI
分类号
G02F2/02;H01S5/06
主分类号
G02F2/02
代理机构
代理人
主权项
地址
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